Big Tech faces a historic legal showdown. A major trial over social media addiction has begun and could reshape the technology industry. Meta CEO Mark Zuckerberg testified before a jury for the first time over claims that social media harms young people. His testimony came more than four years after leaked internal documents suggested the company knew its platforms could…

A quick, two-minute cheek-swab test may identify children at risk of a potentially fatal heart condition up to five years before standard diagnosis, according to new research. Arrhythmogenic cardiomyopathy (ACM), typically a genetic disorder, is responsible for over 10% of sudden cardiac deaths in children. It occurs when abnormalities in the proteins connecting heart cells disrupt the heart’s structure and…